The Christmas day accident happened at 8.15pm as the officer drove along the A57, pictured, near Sheffield

The double tragedy unfolded at around 8.15pm on Christmas Day when both cars were travelling in opposite directions.

The driver of the Citroen, a 63-year-old man, was taken to hospital where he currently remains in a serious condition.

Specialist officers are said to be supporting the families of the victims, and the incident has been referred to the Independent Police Complaints Commission for investigation.

Assistant Chief Constable David Hartley said: “On behalf of the force I’d like to offer my sincere condolences to all of those left bereaved by this terrible tragedy - our thoughts, love and support are extended to all those affected.

“We are doing everything we can to support them through this difficult time. I ask that their privacy is respected at this sad time.

“We have lost a friend and a colleague from our police family in this incident.

“The officer has been with us for 12 years and was a passionate, professional and universally liked officer.

“His colleagues, and everyone across the force, are devastated by what has happened.